Applying for Jobs ; Step 1. Review open positions within Allegheny County ; Step 2.This is the employment application for Tri-State Food Systems. It provides essential information needed to apply for job positions within the company. Whether you are completing an online or paper application, a separate application must be completed for each position for which you are applying. Use this restaurant job application template PDF to start hiring today. Collect information about work history, references, and more. Simply complete and send to management. Crew Member, 725 ALLEGHENY AVE. A Retail Food Facility License in Pennsylvania is required for restaurants, grocery stores, and other food vendors before they can serve food to customers.